HT-3540 series is non impact type.
Complete tool
Handle
Blade
For terminal block
HT-354
HT-3540 (Twist-lock type)
HT-14T
Use on 66 type
HT-354A
HT-14TA
Use on 66 & 110/88 type
HT-354B
HT-14TB
Use on 110/88 type
HT-354BK
HT-14TBK
Use on Krone
HT-354K
HT-14TK
Use on Krone type (w/scissor)
HT-354W
HT-14TW
Use on bix type
HT-354Q
HT-14TQ
Use on quante type
HT-14TPY
HT-14TN
Use reach extension